What does it mean to have multiple ionization energies? First, Second, Third. Why is there a large jump inbetween energies sometimes?

the electrical  conductivity  of asolution  of an electrolyte is measured by determining the resistance of thesolution  between two flat or cylindrical electrodes separated by a fixed distance.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )